Tornado Winds

The Enhanced Fujita Scale
The Enhanced Fujita Scale (EF Scale) is scheduled to go into practice on Feb 1, 2007. The scale represents better engineering studies on different types of structures and how those structures are designed.

(F6+) Inconceivable Tornado (319 – 379 m.p.h.) These winds are very unlikely. The small area of damage they might produce would probably not be recognizable along with the mess produced by F4 and F5 wind that would surround the F6 winds. Missiles, such as cars and refrigerators would do serious secondary damage that could not be directly identified as F6 damage. If this level is ever achieved, evidence for it might only be found in some manner of ground swirl pattern, for it may never be identifiable through engineering studies There is, by definition, no such thing as an F6 tornado.